Grade(s): middle school and up
Pages: 31

The best approximation of IQ that is available without going to a professional examiner. Contains two comprehensive tests, similar to the elaborate standardized ones administered by professional psychologists like the WISC and Stanford-Binet, perfectly designed to measure your cognitive skills, reasoning abilities, quick-learning capability, and problem-solving proficiency.

Grade(s): 7-12+
Activities: 259
Pages: 280

Building Thinking Skills® provides highly effective nonverbal reasoning activities to improve vocabulary, reading, writing, math, logic, and figural-spatial skills, as well as visual and auditory processing. This exceptional skill set provides a solid foundation for academic excellence and success on any assessment test.

Grade(s): 7-12+
Activities: 350
Pages: 384

Building Thinking Skills® provides highly effective verbal reasoning activities to improve vocabulary, reading, writing, math, logic, and figural-spatial skills, as well as visual and auditory processing. This exceptional skill set provides a solid foundation for academic excellence and success on any assessment test.

Grade(s): 7-12+
Activities: 26
Pages: 40

Mind Benders®, our best-selling deductive thinking puzzles, develop logic, reading comprehension, and mental organizational skills that are vital to achieving high grades and top test scores in all subjects. They're also great for developing real-life, problem-solving skills.

Grade(s): 4-12+
Pages: 32

A collection of mysteries to develop critical thinking skills by requiring students to read carefully and analyze and synthesize information to guide their decision-making.